Product Overview
Trisodium Citrate Dihydrate, commonly known as Sodium Citrate, is a versatile and safe organic sodium salt derived from citric acid, with the CAS number 6132-04-3 and food additive code E331. It appears as a white crystalline powder or granular crystal, odorless, easily soluble in water, and slightly soluble in ethanol. Featuring excellent pH buffering performance, strong chelating ability, stable physical and chemical properties, and non-toxic characteristics, it is one of the most widely used food additives and industrial auxiliary agents in the global market.
GNF CHEMICAL CO.,LTD supplies high-purity food-grade trisodium citrate with stable quality and factory competitive prices. Strictly produced in accordance with international food safety standards, our products have low impurity content, uniform particle size, and outstanding stability. Widely exported to Southeast Asia, the Middle East, Europe, Africa and other regions, our trisodium citrate serves food processing, daily chemical, pharmaceutical and industrial manufacturing fields, providing reliable bulk supply and customized solutions for global buyers.
Core Product Advantages
1. High Purity & Stable Quality
Our trisodium citrate adopts advanced fermentation and refining technology, with high effective content, ultra-low heavy metals and residual impurities. The product has uniform crystal texture, good fluidity, no caking, and stable batch indicators. Each batch is accompanied by official COA test report to ensure consistent quality, perfectly meeting high-standard food production and industrial application requirements.
2. Excellent Buffering & Chelating Performance
As an efficient pH buffer agent, it can effectively stabilize the acid-base balance of products and prevent taste deterioration and quality changes during processing and storage. Meanwhile, its powerful metal ion chelating capacity can inhibit oxidation and rancidity, extend the shelf life of food and products, and improve finished product stability and texture.
3. Safe & Globally Certified
Trisodium citrate E331 is recognized as a safe food additive by FAO, WHO, FDA and other international authorities. Our products pass ISO22000, HACCP, HALAL, KOSHER and other authoritative certifications, non-toxic, harmless and non-irritating, safe for long-term use in food, pharmaceutical and daily chemical products.
4. Strong Versatility & Cost-Effective
It integrates multiple functions of acidity regulation, buffering, chelation, emulsification and stabilization, replacing multiple single-function additives. It simplifies enterprise formula configuration, reduces production costs, and adapts to diversified production processes of various industries, with high industrial application value.
Product Specifications
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Product Name: Trisodium Citrate Dihydrate
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CAS No.: 6132-04-3
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Food Grade Code: E331
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Molecular Formula: C₆H₅Na₃O₇·2H₂O
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Purity: ≥99.0%
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Appearance: White crystalline powder / granular crystal
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Solubility: Easily soluble in water, slightly soluble in ethanol
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pH Value (5% Solution): 7.0–9.0
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Loss on Drying: Complies with standard requirements
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Heavy Metal: ≤10ppm
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Packaging: 25kg kraft paper bag, customized packaging
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Shelf Life: 24 months in sealed, cool and dry environment
Wide Applications
Food & Beverage Industry
It is the most mainstream application scenario of trisodium citrate. Used as acidity regulator, buffer, flavor stabilizer and chelating agent for beverages, yogurt, dairy products, jams, jellies, canned fruits, baked goods and snacks. It can balance product sourness, improve taste layering, prevent product deterioration, and effectively extend shelf life. It is also widely used in cheese, meat products as emulsifier and quality improver.
Pharmaceutical Industry
Used as safe blood anticoagulant, pH buffer and pharmaceutical excipient for medical blood collection and storage. It can chelate calcium ions in blood to prevent coagulation, and is also applied in the preparation of urinary system conditioning drugs to adjust body acid-base balance.
Daily Chemical & Industrial Industry
In detergent industry, it acts as green water softener and chelating agent, replacing harmful phosphate additives to reduce water hardness and improve detergent effect. In electroplating, textile printing and dyeing, and concrete industry, it serves as complexing agent, retarder and pH regulator, optimizing industrial production efficiency.
Certifications & Export Advantages
Our food-grade trisodium citrate fully complies with FCC, USP and E331 international standards, and holds complete HALAL, KOSHER, ISO22000 and HACCP certifications. We can provide complete export documents including COA, TDS, MSDS and origin certificate to support global customs clearance and product registration.
As a professional factory direct exporter, we have stable production capacity, flexible order rules (support small trial orders and large FCL bulk orders), professional international logistics and after-sales service, helping global customers reduce procurement costs and import risks.
Frequently Asked Questions (FAQ)
1. What is the difference between Trisodium Citrate and Citric Acid?
Citric acid is mainly used for acidification and flavor enhancement, while trisodium citrate (E331) focuses on pH buffering, stabilization and chelation. Citric acid presents strong acidity, while sodium citrate is weakly alkaline with mild taste. In actual production, the two are often used together to balance product acidity, stabilize taste and improve product texture, which is widely used in beverage and dairy processing.
2. Is Trisodium Citrate E331 safe for food production?
Yes, it is completely safe. Trisodium citrate CAS 6132-04-3 is a globally approved legal food additive with non-toxic, non-irritating and non-allergenic properties. It will not produce harmful residues after metabolism in human body. Our products meet international food safety standards and are safe for long-term application in food, beverage and daily cosmetic products.
3. What is the storage and shipping requirement for Trisodium Citrate?
Trisodium citrate should be stored in a cool, dry and well-ventilated warehouse, kept sealed and moisture-proof, away from high temperature and strong oxidants. It belongs to ordinary goods, not dangerous goods, with low transportation risk. We adopt moisture-proof and dust-proof 25kg standard export packaging, which is suitable for long-distance sea transportation and ensures intact product quality after arrival.
Cooperation Inquiry
High-quality trisodium citrate is an essential multi-functional additive for the global food and industrial manufacturing industry. Adhering to the principle of quality priority and win-win cooperation, GNF CHEMICAL provides global customers with high-purity, stable and cost-effective trisodium citrate products and one-stop procurement solutions.
Welcome global importers, food manufacturers and distributors to contact us for free samples, latest bulk quotations and technical support. We look forward to establishing long-term stable cooperative relationships with you!
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